#include<iostream>
#include<chrono>
#include<thread>
using namespace std;

int main(void)
{
	auto start = chrono::high_resolution_clock::now();
	this_thread::sleep_for(chrono::seconds(10));
	auto end = chrono::high_resolution_clock::now();
	
	chrono::duration<double, milli> elapsed = end - start;
	cout<< "Elapsed: " << elapsed.count() << " ms\n";
	
	return 0;
}
